28540253

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{751}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 33569280

約数和(自身を除く): 5029027

約数列:

[1, 7, 61, 89, 427, 623, 751, 5257, 5429, 38003, 45811, 66839, 320677, 467873, 4077179, 28540253]

約数ペア:

[(1, 28540253), (7, 4077179), (61, 467873), (89, 320677), (427, 66839), (623, 45811), (751, 38003), (5257, 5429)]